51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
//---
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// gint:render-fx:bopti-asm - Assembler drawing routines for bopti
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//---
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#ifndef GINT_RENDERFX_BOPTIASM
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#define GINT_RENDERFX_BOPTIASM
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/* pair_t: A pair of consecutive VRAM longwords */
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typedef struct {
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uint32_t l;
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uint32_t r;
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} pair_t;
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/* quadr_t: Two pairs for light and gray VRAMs */
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typedef struct {
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uint32_t l1;
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uint32_t r1;
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uint32_t l2;
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uint32_t r2;
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} quadr_t;
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/* Signature of mono rendering functions */
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typedef pair_t asm_mono_t(pair_t p, void **layer, uint32_t *masks, int x);
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/* Signature of gray rendering functions */
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typedef void asm_gray_t(quadr_t q, void **layer, uint32_t *masks, int x,
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quadr_t *ret);
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/* Each of the following rendering functions:
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1. Takes VRAM data for two longword positions of the screen.
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2. Reads data for one longword position of the image from *layer. This
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consists in n longwords where n is the number of layers in the image.
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3. Increments *layer by 4*n.
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4. Shifts the image data and apply it to the VRAM positions in accordance
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with the two masks given in the masks argument. */
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/* bopti_asm_mono(): Rendering function for the "mono" profile */
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extern asm_mono_t bopti_asm_mono;
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/* bopti_asm_mono_alpha(): Rendering function for the "mono alpha" profile */
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extern asm_mono_t bopti_asm_mono_alpha;
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/* bopti_gasm_mono(): "mono" profile on gray VRAMs */
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extern asm_gray_t bopti_gasm_mono;
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/* bopti_gasm_mono_alpha(): "mono alpha" profile on gray VRAMs */
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extern asm_gray_t bopti_gasm_mono_alpha;
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/* bopti_asm_gray(): Rendering function for the "gray" profile */
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extern asm_gray_t bopti_gasm_gray;
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/* bpoti_asm_gray_alpha(): Rendering function for the "gray alpha" profile */
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extern asm_gray_t bopti_gasm_gray_alpha;
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#endif /* GINT_RENDERFX_BOPTIASM */
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